<template>
 <div>
    <button @click="isShow = !isShow">显示/隐藏</button>
    <transition-group 
      appear
      name="animate__animated animate__bounce"
      enter-active-class="animate__swing"
      leave-active-class="animate__backOutUp"
    >
      <h1 v-show="!isShow" :key="1">你好啊！</h1>
      <h1 v-show="isShow" :key="2">学习Vue</h1>
    </transition-group>
 </div>
</template>

<script>
import 'animate.css'

export default {
  name: 'Test',
  data() {
   return {
     isShow: true
   }
  }
}
</script>

<style scoped>
h1 {
  background-color: skyblue;
}
</style>